package section1;
/*
 * 
	Sample Input
	1 5
	10 20
	Sample Output
	6
	30
 * */
import java.util.Scanner;
public class PracticeI {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int a,b;
		while(scan.hasNext()){
			a = scan.nextInt();
			b = scan.nextInt();
			System.out.println(a+b);
		}
	}

}
